I.S. EN 10090:1998
Current
The latest, up-to-date edition.
VALVE STEELS AND ALLOYS FOR INTERNAL COMBUSTION ENGINES
Hardcopy , PDF
English
01-01-1998
For Harmonized Standards, check the EU site to confirm that the Standard is cited in the Official Journal.
Only cited Standards give presumption of conformance to New Approach Directives/Regulations.
Foreword
1 Scope
2 Normative references
3 Definitions
4 Classification and designation
4.1 Classification
4.2 Designation
5 Information to be supplied by the purchaser
5.1 Mandatory information
5.2 Supplementary information
6 Manufacturing process
6.1 Melting process
6.2 Manufacture of the product
6.3 Heat treatment condition and surface finish at
the time of delivery
7 Requirements
7.1 Chemical composition
7.2 Mechanical properties
7.3 Internal and external condition
7.4 Dimensions and tolerances
8 Testing
8.1 Agreement of tests and inspection documents
8.2 Number of tests
8.3 Selection and preparation of samples and test pieces
8.4 Test methods
8.5 Retests
8.6 Certification of the tests
9 Marking
10 Complaints
Annex A (informative) Technical supplement
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